Trimma christianeae, Christiane’s pygmygoby

Trimma christianeae Allen, 2019

Christiane’s pygmygoby
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Image of Trimma christianeae (Christiane’s pygmygoby)
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drawing shows typical species in Gobiidae.

分類 / Names 俗名 | 同種異名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Actinopteri > Gobiiformes (Gobies) 鱸形目 (Gobies) > Gobiidae (Gobies) 鰕虎魚科 (Gobies) > Gobiinae
Etymology: Trimma: Greek, trimma, -atos = something crushed (Ref. 45335);  christianeae: Named for Christiane Waldrich, who photographed this fish; noun in the genitive case.

Environment: milieu / climate zone / depth range / distribution range 生態學

; 海洋 礁區魚類; 深度上下限 1 - 4 m (Ref. 119492).   

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

Western Pacific: Papua New Guinea.

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 2.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 119492)

簡短描述 型態特徵 | 形態測量圖

背棘 (總數): 7; 背的軟條 (總數): 9; 臀棘 1; 臀鰭軟條: 8. This species is distinguished by the following combination of characters: D VI + I,9, with the second dorsal-fin spine usually with short filament, when adpressed extending to the base of first to fourth segmented dorsal-fin ray; A I,8; the fifth segmented pelvic-fin ray with sequential branching consisting of three branch points, its length 76.9-87.5% (mean 83.4%) length of fourth ray; the basal membrane of pelvic fin is fully developed; gill rakers on first arch 3-4 + 12-13; opercle scaleless; posterior naris is large and adnate to orbital rim. Colour in life mainly orange to brownish red with diffuse brown scale margins that form a reticulated pattern; indistinct narrow white or gray bars (sometimes branching) along back and dorsalmost part of caudal peduncle; the pectoral-fin base with distinctive orange to reddish-brown medial area with large white spots dorsally and ventrally (Ref. 119492).

生物學特性     字彙 (例如 epibenthic)

Species collected from jetty pilings, log debris, and concrete stairs at the water’s edge, at about 1-4 meters. It seems to have an affinity for sponge-encrusted surfaces, but the general area where it is observed is characterized by extensive silty mud substrata inhabited by a large number of burrowing gobies. It was not previously observed despite nearly 100 hours of scuba-diving because the collection site is immediately adjacent to shore at a busy shipyard where diving is usually banned during daylight hours. Most of the specimens were found on the inner side of a single pillar of the jetty, which was situated in total shade (Ref. 119492).

Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | | 孕卵數 | 仔魚


主要參考資料 Upload your references | 參考文獻 | 合作者 | 合作者

Allen, G.R., 2019. Trimma christianeae, a new species of goby (Teleostei: Gobiidae) from Milne Bay Province, Papua New Guinea. J. Ocean Sci. Found. 32:39-46. (Ref. 119492)

IUCN 瀕危狀態 (Ref. 123251)

  未評估 

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

 





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Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = No PD50 data   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00575 (0.00261 - 0.01268), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
回復力 (Ref. 120179):  高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
瀕危性 (Ref. 59153):  Low vulnerability (10 of 100) .